MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.001 Malicious Link
The PDF contains multiple heuristics indicating malicious intent, including a critical finding of a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that is also flagged as malicious. The presence of numerous external PDF links, some pointing to benign Shopify domains and others to unknown domains, suggests a link farm or redirection strategy. The 'SE_CALLBACK_LURE' heuristic further suggests a phishing or scam pretext.
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.com/pify?keyword=the+apocryphal+new+testament+pdf In PDF document text
- http://files.justinankenbauer.com/uploads/1/3/0/7/130739947/boxuj.pdfIn PDF document text
- http://files.leeshearman.com/uploads/1/3/1/3/131398605/d369cd84e68d8a.pdfIn PDF document text
- http://files.erinmerrill.studio/uploads/1/3/1/3/131380236/tabasonabukafu-jijadowu.pdfIn PDF document text
- http://files.mattscharfdesign.com/uploads/1/3/0/8/130874582/4381488.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/1/0429/9004/3285/files/44912398740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5586/6263/files/bloxorz_level_33.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2143/4005/files/modified_barthel_index_scale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0564/8807/files/71955387797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5796/1374/files/powedenipesidug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4992/7327/files/89451062514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1097/4108/files/nabiwuvakutagadusijeza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/6139540738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32377204601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xakisone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7252/0353/files/97338446067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7850/7934/files/57242800504.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_off0000b39a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB39A | 5540 bytes |
SHA-256: c0edb9527265331376a4d4dc8e1a794b74a05a3b4901e3283a4cabf53a9949dd |
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font_01_sfnt_off0000c659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC659 | 11968 bytes |
SHA-256: 0baa22f49956e095b786b121f0ecabb7b59ca4d0b1fe78652d9cde3bd4137030 |
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