MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document uses a Christmas theme to lure users, but contains multiple links to a malicious redirector at `https://ttraff.ru/pify?keyword=filipino+christmas+songs`. This redirector is likely used to serve a second-stage payload, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The ML classifier also strongly flagged this PDF as malicious.
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.ru/pify?keyword=filipino+christmas+songs In PDF document text
- http://files.joanhbrackcharitablefoundation.org/uploads/1/3/0/7/130775163/ragumivud.pdfIn PDF document text
- http://files.moonflowerproduction.com/uploads/1/3/1/3/131378932/naxufapurokusoj.pdfIn PDF document text
- http://nodexaveg.tokyodrivingschool.com/uploads/1/3/2/3/132303382/xafibejenikexeg-kofojobi.pdfIn PDF document text
- http://files.crconfections.com/uploads/1/3/0/7/130738889/2213691.pdfIn PDF document text
- http://files.secondarysummerreadingprogram.com/uploads/1/3/0/9/130968950/degijexus.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/ayushman_bharat_package_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9387/7145/files/solo_guitar_songs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66179678401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6802/3194/files/dixiwumapozov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9575/2864/files/68513829807.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4070/9527/files/79847025348.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3203/4976/files/cat_touching_plasma_ball.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0545/1174/files/ledat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2647/2345/files/aes_encryption_algorithm_steps.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_off0000681b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x681B | 4972 bytes |
SHA-256: f5e40a9d93e0fb8e9965d766d12900ed25ef6a39564cd5909f325a64e1fa1910 |
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font_01_sfnt_off000078ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78BA | 9968 bytes |
SHA-256: 5397e8f957fb19450f49e0e02defd112423afd61f8ac2907a65f7fa897f5c709 |
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font_02_sfnt_off00009ae4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AE4 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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