MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Hollywood reporter subscription renewal' and a date, suggesting a lure. The presence of a link farm heuristic further supports the malicious intent of distributing links to external content. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to a phishing or malware delivery site.
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) documents that carry no urgency or charge/dispute escalation.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.ru/pify?keyword=hollywood+reporter+subscription+renewal In PDF document text
- http://files.jpzproducts.com/uploads/1/3/2/7/132740756/1572764.pdfIn PDF document text
- http://files.travelwithjean.com/uploads/1/3/0/7/130739906/gefifewitatid.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/1/0434/6449/1174/files/broadsheet_port_melbourne_breakfast.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2807/7992/files/podonefuzuzidedojomapeguw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1104/6561/files/gojidusulifo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5702/9024/files/report_echeance_pret_immobilier_caisse_d_epargne.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8222/7617/files/xunoje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7618/2426/files/rezilitesabokobegepun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3476/2654/files/razunubuxulutobes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5254/5701/files/introduction_to_contrastive_analysis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2596/4949/files/votovukinopadovatuvo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5693/1751/files/jizepijimibisogogufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6845/6086/files/3557930580.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/jatigodarogulezu.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EC0 | 5364 bytes |
SHA-256: 778a05c8345fc2e1f255a0468ff8669536da18725b66666f6410bc3f8e248231 |
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font_01_sfnt_off00007113.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7113 | 10804 bytes |
SHA-256: acb4d352b8f9122390fd68c6a28d058e9a4f2e997b24ef2eeb6385d22795226d |
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