MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=pronoun+antecedent+agreement+worksheet+doc', which is flagged as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious content, likely for phishing or malware distribution.
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.com/pify?keyword=pronoun+antecedent+agreement+worksheet+doc.
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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=pronoun+antecedent+agreement+worksheet+doc In PDF document text
- http://files.devinhuntillustration.com/uploads/1/3/1/4/131452977/7212833.pdfIn PDF document text
- http://files.inscience242.com/uploads/1/3/1/1/131164250/8163630.pdfIn PDF document text
- http://files.radiantawakening.net/uploads/1/3/0/8/130873717/5012882.pdfIn PDF document text
- http://files.fengshuidiscovery.com/uploads/1/3/1/3/131398099/1e464246.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/1/0437/8161/9870/files/giluvisesarojiwim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2839/7728/files/kovudiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0372/9304/files/pemifitesugepunobagod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7922/1927/files/3379273503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4244/8295/files/representation_theory_of_lie_groups.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6055/1070/files/sogenivorivonixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5198/3772/files/filibovumugukil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8015/5290/files/pexebaveselivezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/8791/7209/files/nurekapovimoxog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0358/4409/files/10622598683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4991/8362/files/fufifedujigefanugulevebod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6799/7344/files/91161514433.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_off0000b904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB904 | 2828 bytes |
SHA-256: dd7b880f1c6958317b71933e3175eb4154b1281d355b69180e4ce829e506ee21 |
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font_01_sfnt_off0000c2fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2FE | 5480 bytes |
SHA-256: 4367b7137fad5741d55a2de85cf1fd1a091f58548a410dc1be7394148a77d36f |
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font_02_sfnt_off0000d582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD582 | 13560 bytes |
SHA-256: 21fe624dc1bc0db491bb39898f36337a1fc2cd36983d27bea621edf03805aa48 |
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