MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one identified as a malicious redirector, leading to the URL https://ttraff.cc/pify?keyword=dilutions+worksheet+m1v1%253D+m2v2. This redirector is likely used to obscure the final destination and deliver a malicious payload or phishing page. The presence of a link farm and the ML classifier's high confidence score further support the malicious nature of this document.
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=dilutions+worksheet+m1v1%253D+m2v2 In PDF document text
- http://gafaluv.petalsfromabelovedbridesbouquet.com/uploads/1/3/1/4/131437987/mokurijude-manajefalarof-malikurupofoki.pdfIn PDF document text
- http://files.muskegonapostolic.net/uploads/1/3/0/7/130739419/lewugefisokefuz.pdfIn PDF document text
- http://sumuwona.jtspowerwashingpros.com/uploads/1/3/1/1/131163599/wipisibikogavunope.pdfIn PDF document text
- http://files.kenglishllc.com/uploads/1/3/2/6/132695397/dabadixe.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/1/0429/9961/1555/files/questes_de_concurso_atos_administrativos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/zupuwadasulakem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98455436519.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8475/9711/files/nivaxizasemoferebilerukaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6643/3435/files/kuxetonapezat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1177/6416/files/finance_journal_articles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2017/3983/files/53641883895.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/3427/4966/files/puxamuvodofuxobevojiro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9414/6200/files/7637781608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2152/3349/files/today_malayalam_manorama_news_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5123/7022/files/budaya_patriarki_adalah.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_off00004d09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D09 | 5160 bytes |
SHA-256: b748debc291c6a940b479cfda70448857fd33fe06c426815fb43f9e413030394 |
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font_01_sfnt_off00005e89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E89 | 10172 bytes |
SHA-256: a7f4191aa655cff72f23e5711604c035bd33dedbc3b149676dd8a07201095fb3 |
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