MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text fragments and URLs that suggest a lure, potentially related to 'best games for iphone 4s free'. The presence of a visual download button and a callback lure heuristic further supports a phishing or scam attempt. The primary malicious IOC is the redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=best+games+for+iphone+4s+free In PDF document text
- http://files.solconenergy.com/uploads/1/3/2/6/132683334/1618298.pdfIn PDF document text
- http://files.midwestnettingsolutions.com/uploads/1/3/2/7/132741211/1350483.pdfIn PDF document text
- http://files.melissahaneyart.com/uploads/1/3/1/4/131438211/5953721.pdfIn PDF document text
- http://files.globalisationandcities.com/uploads/1/3/1/6/131607174/jilaxafufusekiw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/bijilogavuvip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4887/6702/files/15390878436.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4742/9031/files/85323849460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9508/1625/files/megigarosuxefikamurak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2891/4074/files/70736998420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8005/5958/files/live_betting_strategies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/368300468.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1090/6520/files/72988614146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8862/5302/files/voxezamisopasiroluwogeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2118/4674/files/enlaces_interatomicos_e_intermoleculares.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0630/4166/files/82233364249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9623/5415/files/rules_of_acquisition.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000946b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x946B | 2972 bytes |
SHA-256: db216172449f862b8dde07a1ae4465b1380633be226bb972194f8bb86fc18425 |
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font_01_sfnt_off00009eef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EEF | 5420 bytes |
SHA-256: c3c9d74a3bf7364ea6932bab5e36000bff1489e1ecbc7bf60b094621a8bf3eeb |
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font_02_sfnt_off0000b144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB144 | 15592 bytes |
SHA-256: 21c60f4d8a4472d018fb4e93a3b1e2df7800a9ef6a7132ef26fedbcc1c9ba67f |
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