MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL and benign-looking PDF titles, suggesting a lure to disguise the malicious intent. The primary goal appears to be redirecting the user to malicious infrastructure via the 'ttraff.cc' domain.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=bacteriolog%25C3%25ADa+clinica+pdf In PDF document text
- http://files.oceanstatefollies.net/uploads/1/3/1/4/131453021/dejufotibix.pdfIn PDF document text
- http://files.pinchaschemsite.com/uploads/1/3/1/6/131606491/vatowago.pdfIn PDF document text
- http://files.confidentlyuare.org/uploads/1/3/1/4/131437131/jifemexukutorop.pdfIn PDF document text
- http://files.fancycanary.com/uploads/1/3/1/4/131438453/6224309.pdfIn PDF document text
- http://suzek.rosabransonandtheworlingtonmovement.com/uploads/1/3/2/6/132695306/fiwipezotepewireraxo.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/1/0437/0087/9510/files/47293158532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8667/6135/files/star_wars_aftermath_espaol_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5586/5243/files/81331256399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5963/4591/files/sufixagalusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8829/8659/files/jagevujadupazogubifo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/faruburobesejosisugewabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53940500656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0845/6865/files/funajotatobobipikede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9875/8557/files/xomirido.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/45559301621.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0485/3406/files/zoretowanoranapagifawaxo.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_off0000600f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x600F | 5248 bytes |
SHA-256: 53e89c2a25f3ff165a80ee0748122ae549a69decfae25c4d9ec125d2acc4729d |
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font_01_sfnt_off000071f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71F7 | 11004 bytes |
SHA-256: 120a85d85a2013854b94ed8cb0a57b6835bdeee7c39748c9809c798102b216fa |
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