MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, contains text related to 'airplane baby crib sheets' and includes the malicious URL. This suggests a lure to a phishing or malware distribution site. The presence of a callback phishing lure heuristic further supports the social engineering aspect of this attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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.cc/pify?keyword=airplane+baby+crib+sheets In PDF document text
- http://files.27software.com/uploads/1/3/1/3/131380299/5ec33674a6706.pdfIn PDF document text
- http://files.greenteamllc.com/uploads/1/3/1/8/131857305/rixipomavuzadegabur.pdfIn PDF document text
- http://files.kbzz.org/uploads/1/3/2/7/132710722/nalimuvakogi-veburariliw-gezamuxarotuxor-zizusawoxota.pdfIn PDF document text
- http://files.thetruthstandsforever.com/uploads/1/3/1/8/131871569/lofalanesepuxidajir.pdfIn PDF document text
- http://wedam.redlodgecountryproduce.com/uploads/1/3/0/7/130776485/viginise.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/1/0445/5736/9503/files/6755350564.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8276/6750/files/technical_interview_questions_and_answers_for_computer_science.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/54003233749.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1031/6694/files/baumer_absolute_encoder.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2149/9548/files/12549357054.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4102/9276/files/synology_assistant_xpenology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4930/3720/files/sujomitova.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4908/2264/files/pifajewiwinupagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1829/6228/files/dak_ahb_antrag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4857/4886/files/warhammer_bestiariusz_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/0271/8376/files/signs_and_symptoms_of_ischemic_stroke.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_off00006baf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BAF | 5252 bytes |
SHA-256: 97e5f64a6b18425d553bdc101605b1b6346f88879fdc64881258db07d44d40ec |
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font_01_sfnt_off00007d73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D73 | 10524 bytes |
SHA-256: 5c5fb97f4e6fdeb88422be87b1b3bd4b01341b0f1134d14fe31fff96255b56b4 |
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