MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'https://ttraff.cc/pify?keyword=basic+probability+theory+pdf'. This suggests a phishing or scam attempt disguised as a legitimate document. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=basic+probability+theory+pdf In PDF document text
- http://najor.johncesarguitar.com/uploads/1/3/1/0/131070161/pilupifibozanobazex.pdfIn PDF document text
- http://files.artworkbyrenee.com/uploads/1/3/2/7/132740620/kixojiroje.pdfIn PDF document text
- http://files.bendigounited.com/uploads/1/3/0/7/130739369/sixef.pdfIn PDF document text
- http://files.onemoremiletraining.com/uploads/1/3/0/9/130969655/tetubejo-teguwa-xijosux-sizudixiwu.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/1/0430/4617/4877/files/99366652033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5144/1563/files/lulepifawamapifekukobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0280/4898/files/mevasogaxurado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/balevogigadan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6043/5873/files/67892227874.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5477/5970/files/sivuzin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5371/9452/files/sozonibajexafox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0982/7231/files/rumogoxesevifajubatidig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3250/1656/files/44169930453.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0131/4454/files/19626340388.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6645/8266/files/dotevafepumiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/pagowa.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008d55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D55 | 5532 bytes |
SHA-256: f894ee4cf5a1f1ad3534169cd6bc5decd92c5bb244ff08a84a93a3a468107d57 |
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font_01_sfnt_off0000a01a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA01A | 10692 bytes |
SHA-256: fa2fbcc61909b074d6df79fb4c0e718177f6bd69ad0726e3129956a18ec34780 |
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font_02_sfnt_off0000c4f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4F6 | 16236 bytes |
SHA-256: 3595ff85ffd319b6cfbd18f185c76d32efd97eef2cd63e4cee388b37a230341f |
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