MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a common tactic for SEO link farms and redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=dark+souls+3+sorcerer+build+guide'. The document body, though partially corrupted, suggests a lure related to a 'Dark Souls 3 sorcerer build guide', aiming to entice users to click the malicious link. The presence of multiple Shopify-hosted PDF links further supports the SEO link farm heuristic.
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=dark+souls+3+sorcerer+build+guide In PDF document text
- http://files.auroraarearetiredteachersassociation.org/uploads/1/3/2/6/132681647/ba24b1f7d6e985e.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/1/0428/9835/8432/files/muzoguganava.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0671/2219/files/crimson_peak_movie_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4388/9052/files/dadobufewoxomukamoju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5078/5173/files/nz_motor_caravan_association.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7677/2250/files/60412461081.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6359/7473/files/51349008829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/2440/2843/files/11879194204.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9157/4430/files/soul_vessel_hollow_knight.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4420/8797/files/fajofukiwewifutofibaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8087/4139/files/quotations_from_chairman_mao_tse_tung_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/1665/1669/files/adi_buddha_mandala_mantra_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/bolizupofov.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_off00009350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9350 | 5476 bytes |
SHA-256: 15bcbbf249d00c77e6e67368a6bd5b441e15e5f51be6e0ad4dd6e03676042163 |
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font_01_sfnt_off0000a5f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5F6 | 10140 bytes |
SHA-256: 6776de8f33a671c678a75bf1c15faa5967de72c4d147a95ecb820788625f9898 |
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