MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged for containing a malicious redirector link and a large number of external links, indicating a link farm. The primary malicious URL identified is https://ttraff.ru/pify?keyword=accounting+dictionary+english+to+tamil+pdf, which is likely used to funnel users to further malicious content. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=accounting+dictionary+english+to+tamil+pdf In PDF document text
- http://files.hkcofc.com/uploads/1/3/2/6/132683111/lobojevaresale_jojolurirukekof_nunaduwarutare_rulilik.pdfIn PDF document text
- http://pututo.collegeofdentalsurgeonsbritishcolumbia.com/uploads/1/3/2/7/132740435/e7966102.pdfIn PDF document text
- http://melane.falsefloorcreative.com/uploads/1/3/2/8/132814930/puzuwesi.pdfIn PDF document text
- http://files.puffpuffpasssmoke.com/uploads/1/3/1/0/131069893/02e4edf848ebd5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/2669/4822/files/wuxixoga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7078/2614/files/75416653537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80463449019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0899/1140/files/rowifizalazusavegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3269/9302/files/fimemetu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1262/0447/files/nijesuno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6552/3870/files/38029336528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9575/2858/files/call_center_agent_conversation_script.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7317/4680/files/gta_5_the_mission_has_been_disrupted.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2829/9428/files/17695232952.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/53284297508.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4755/9067/files/gozuzisate.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000695a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x695A | 5540 bytes |
SHA-256: 7dfcba0280ce9ee0953fc1632d1b99989a37810af7febfa1615c90c8a9019fcd |
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font_01_sfnt_off00007c01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C01 | 16368 bytes |
SHA-256: 3636db43dcfa9b10fbf0a16b86f8ff2ec1a6a7a06599c65f07b9cebc1786f775 |
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font_02_sfnt_off0000a294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA294 | 10520 bytes |
SHA-256: c9fff2c09bc20932402c08c557194890f99f34dba894fbf1509729ffdc774b9d |
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font_03_sfnt_off0000c605.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC605 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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